As I understand it, a born executive is a guy who, when anything difficult or unexpected happens, yells for somebody to come and help him.

Measure your minds height by the shadow it casts.

It is always wiser, where there is a choice, to trust inertia. It is the greatest force in the world.

I cannot agree that mountain climbing is merely one manifestation of man's spiritual aspirations. I think instead it is a hysterical paroxysm of his infantile vanity.

No man should tell a lie unless he is shrewd enough to recognize the time for renouncing it, if and when it comes, and knows how to renounce it gracefully.

I have a strong moral sense - by my standards.

I understand the technique of eccentricity; it would be futile for a man to labor at establishing a reputation for oddity if he were ready at the slightest provocation to revert to normal action.